19928268

素因数分解:

$2^2\times 3^4\times {\mathrm{61507}}^1$

素因数の和:61523

約数の個数: 30

約数和(自身を含む): 52097276

約数和(自身を除く): 32169008

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61507, 123014, 184521, 246028, 369042, 553563, 738084, 1107126, 1660689, 2214252, 3321378, 4982067, 6642756, 9964134, 19928268]

約数ペア:

[(1, 19928268), (2, 9964134), (3, 6642756), (4, 4982067), (6, 3321378), (9, 2214252), (12, 1660689), (18, 1107126), (27, 738084), (36, 553563), (54, 369042), (81, 246028), (108, 184521), (162, 123014), (324, 61507)]